- sr-users - kamailio.org

Re: Delivery Status Notification (Delay)
by David Villasmil 09 Jul '25

09 Jul '25

i'm seeing this for some reason, anyone knows why? Regards, David Villasmil email: david.villasmil.work(a)gmail.com On Wed, Jul 9, 2025 at 3:34 PM Mail Delivery Subsystem < mailer-daemon(a)googlemail.com> wrote: > [image: Error Icon] > Delivery incomplete > There was a temporary problem delivering your message to > *users(a)lists.openser.org*. Gmail will retry for 21 more hours. You'll be > notified if the delivery fails permanently. > The response from the remote … [View More]

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Kamailio SIPREC
by gcampos＠momenta.network 09 Jul '25

09 Jul '25

has anyone made a successful implementation of SIPREC in kamailio + rtpengine?

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webrtc issue
by mm e 09 Jul '25

09 Jul '25

How to handle webrtc registration and call forwarding: client---(ws)kamailio---(ws)fs, do not use rtpengine proxy media. Can you provide a case?

1 0

A config issue about using kamailio as pcscf related with "uac_req"
by huo.g＠neusoft.com 08 Jul '25

08 Jul '25

To whom may concert: Thank you very much for your time reading this e-mail. I have a config issue when I use kamailio as pcscf. It report the following message when I type ./kamailio -c: 0(1121575) ERROR: <core> [core/pvapi.c:924]: pv_parse_spec2(): error searching pvar "uac_req" 0(1121575) ERROR: <core> [core/pvapi.c:1127]: pv_parse_spec2(): wrong char [m/109] in [$uac_req(method)] at [9 (5)] I notice that Miconda post at https://github.com/kamailio/kamailio/issues/1123: [cid:… [View More]

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Registration lookup on Invite
by smartin114＠me.com 07 Jul '25

07 Jul '25

Hi, very new to this and trying to add some security for inbound invites. We only want to allow invites from users that are in the registration table, but everything gets a 403, not just an Invite from an unregistered user. if (KSR.is_INVITE()) { if (KSR.registrar.lookup("location", KSR.pv.get("$fu") < 0 )) { KSR.info("Check user registation before passing invite: " + username + KSR.pv.get("$f")); KSR.sl.send_reply(… [View More]

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Stir/Shaken
by David Villasmil 07 Jul '25

07 Jul '25

Hello, I've seen people wondering how to implement Stir/shaken on Kamailio and OpenSIPS. It occurred to me that making a docker image would help a lot of people so I did. You can find it in https://hub.docker.com/repository/docker/davidcsi/kamailio-stirshaken/gener… and in the description you can read how it works and how to use it. Hope it helps! David Villasmil email: david.villasmil.work(a)gmail.com

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node module to help writing SIP functional/integration tests
by mayamatakeshi 07 Jul '25

07 Jul '25

Over the years I have been slowly writing a node module to help me write SIP functional/integration tests: https://github.com/MayamaTakeshi/sip-lab I have been adding new features as I needed for new kinds of test but didn't have time to document it. But now I need to mentor some newcomers to the company I work for and had to do it. I asked gemini to do it for me and got: https://github.com/MayamaTakeshi/sip-lab/blob/master/DOC.md It might be of help for other people so I am sharing it.

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kamailio module development setup
by mohsen khashei 05 Jul '25

05 Jul '25

Hi everyone. I want to start development of an kamailio module. and I am wondering is the any tutorial about that and also what ide or other setup the other people use for this. sorry for begginer question and thanks for attention.

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Running Kamailio 6.0.x with rtpengine 10.5.x.x
by Sebastian Damm 03 Jul '25

03 Jul '25

Hi, I'm in the process of updating Kamailio from 5.8.x to 6.0.x, and in my last tests I noticed these error messages in rtpengine log: WARNING: [3B4A4512-7DA7-439F-97B7-78021488407B]: [core] Unknown dictionary key encountered: 'sip-message-type' We run rtpengine still with version 10.5.x.x (currently 10.5.6.3), and the update of rtpengine is a bit blocked (mainly because of the removal of iptables support requiring more changes for nftables in the background). I tracked down the changes … [View More]

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[Help] Websocket synchronization between two nodes
by xiongyiyang＠shuidi-inc.com 03 Jul '25

03 Jul '25

When I use dmq synchronization, I find that websocket cannot synchronize between two nodes. What should I do?

1 0

[microhttpd] POST request with body can't get return message
by mm e 02 Jul '25

02 Jul '25

version: kamailio 6.1.0-dev1 (x86_64/linux) 75b73d loadmodule "microhttpd.so" modparam("microhttpd", "listen_addr", "0.0.0.0") modparam("microhttpd", "listen_port", 8364) event_route[microhttpd:request] { mhttpd_reply("200", "OK", "",""); } When using "curl -X POST http://127.0.0.1:8364", a response can be obtained. When using "curl -d '{"test":"2", "test2":"1"}' -H "Content-Type: application/json" -X POST http://127.0.0.1:8364" to pass json data, the kamailio process will be blocked.

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KamailioProxy: Should kamailio do handshake or asterisk?
by Fernando Lopes 01 Jul '25

01 Jul '25

Hello everyone, I have Kamailio set up as a proxy between external clients and an Asterisk server. When traffic comes in over WSS, should Kamailio handle the TLS handshake, or should it be passed through to Asterisk? Thank you.

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I encountered a problem when using dmq and dmq_usrloc. When I used the save function to save to the location table in the database, the socket field was sometimes empty, which caused problems with my call.
by xiongyiyang＠shuidi-inc.com 01 Jul '25

01 Jul '25

My dmq configuration： loadmodule "dmq_usrloc.so" modparam("dmq_usrloc", "enable", 1) modparam("dmq_usrloc", "sync", 1) modparam("dmq_usrloc", "usrloc_domain", "location_shuidi_online_agent") modparam("dmq_usrloc", "batch_size", 1000) modparam("dialog", "enable_dmq", 1) loadmodule "dmq.so" # ----- dmq params ----- modparam("dmq", "server_address", DMQ_SIP_URL) modparam("dmq", "server_socket", DMQ_UDP_URL) #!ifexp POD_NAME == "kamailio-cti-xyy-0" modparam("dmq", "notification_address", "sip:… [View More]

1 0

SIP messages examples
by Sergey Safarov 27 Jun '25

27 Jun '25

We are fixing the FreeSwitch issue with Contact headers containing ";" character in the user param. https://github.com/signalwire/freeswitch/issues/2824 Now required to test other use cases where the user part contains "&" / "$" / "," / "?" / "/" Could you provide some examples of SIP messages with these characters in the user part? Sergey

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nghttp2
by mm e 27 Jun '25

27 Jun '25

loadmodule "nghttp2.so" modparam("nghttp2", "listen_addr", "0.0.0.0") modparam("nghttp2", "listen_port", "8363") event_route[nghttp2:request] { xinfo("request: $nghttp2(method) - url: $nghttp2(path) - data: [$nghttp2(data)]\n"); nghttp2_reply("200","OK"); } curl -H "Content-Type: application/json" -X POST -d '{"test":"data"}' "http://127.0.0.1:8363" curl: (56) Recv failure: Connection reset by peer When using curl request, the message "Recv failure" appears. What is wrong with the settings?

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Dispatcher sets IP flag on servers even though SIP OPTIONS receive 200 OK
by Pablo Oliver 26 Jun '25

26 Jun '25

Hi there, I'm new to Kamailio, and maybe this is a silly question. I’ve set up Kamailio as a SIP proxy with two Asterisk servers acting as media services. This is my configuration for the dispatcher module: loadmodule "dispatcher.so" modparam("dispatcher", "db_url", DBURL) modparam("dispatcher", "table_name", "dispatcher") modparam("dispatcher", "flags", 2) modparam("dispatcher", "ds_ping_interval", 20) modparam("dispatcher", "ds_ping_method", "OPTIONS") modparam("dispatcher", "… [View More]

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Context of t_continue
by johannes.westhuis＠auerswald.de 25 Jun '25

25 Jun '25

Hi, we are using kamailio 5.8 with t_suspend to suspend calls until a push notification wakes up the phone. The phone will then send an NOTIFY with information, so that t_continue can be called. This works well, but currently we are facing issues with rtpengine, and looking at the logs, there is something suspicious: we are calling: t_continue("$sht(vtp=>id_index::$hdr(X-Resume))", "$sht(vtp=>id_label::$hdr(X-Resume))", "RESUME"); ... route[RESUME] { xdbgl("[RESUME] rm=$rm ru=$ru du=… [View More]

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Kamailio v6.0.2 Released
by Daniel-Constantin Mierla 25 Jun '25

25 Jun '25

Hello, Kamailio SIP Server v6.0.2 stable release is out. This is a maintenance release of the latest stable branch, 6.0, that includes fixes since the release of v6.0.2. There is no change to database schema or configuration language structure that you have to do on previous installations of v6.0.x. Deployments running previous v6.0.x versions are strongly recommended to be upgraded to v6.0.2. For more details about version 6.0.2 (including links and guidelines to download the tarball or … [View More]

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multihoming & BYEs
by Dustin Marquess 25 Jun '25

25 Jun '25

All, I've tried searching and have found similar posts before, but I have yet to find a real 'solution'. I'm running Kamailio 6.0.1 & RTPEngine 13.3.1.7 (on a Linux VM) as a "SBC" (at home) using the config from: https://github.com/voiceboys/sbcOS/blob/version_2.0/var/www/html/alpine/con… Except that I've added the following: mhomed=1 modparam("rr", "force_send_socket", 1) The SBC is dual-homed: one interface on the local LAN and another interface directly on the Internet/… [View More]

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Re: kamailio tls module not loading
by Jonathan Aquilina 25 Jun '25

25 Jun '25

Hi Timothy, Have you checked to see there is no firewall blocking traffic? Regards, Jonathan From: Timothy Delin <timothy.delin(a)singtel.com> Sent: 25 June 2025 05:53 To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org> Cc: Who AmI <myfriendjohn1(a)gmail.com>; Jonathan Aquilina <jaquilina(a)eagleeyet.net> Subject: RE: [SR-Users] Re: kamailio tls module not loading Hey Jonathan, I can confirm that this IP address is only used for the Kamailio TLS … [View More]listener based on the netstat command. /usr/src/kamailio # netstat -tuln | grep 5063 tcp 0 0 192.168.254.19:5063 0.0.0.0:* LISTEN I am not sure if I should have a separate listener and outgoing port for listener. Best regards, Timothy From: Jonathan Aquilina <jaquilina(a)eagleeyet.net<mailto:jaquilina@eagleeyet.net>> Sent: Wednesday, June 25, 2025 11:41 AM To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org<mailto:sr-users@lists.kamailio.org>> Cc: Who AmI <myfriendjohn1(a)gmail.com<mailto:myfriendjohn1@gmail.com>>; Timothy Delin <timothy.delin(a)singtel.com<mailto:timothy.delin@singtel.com>> Subject: RE: [SR-Users] Re: kamailio tls module not loading [CAUTION: External email] Do not click links or open attachments unless you recognize the sender and know the content is safe. ___ Hi Timothy, This line is the give all tell all here: 0(1) DEBUG: <core> [core/tcp_main.c:1305]: find_listening_sock_info(): binding to source address 192.168.254.19:5061 failed: [Address in ue] [98] Address in use im guessing that should say. Can you confirm there are no ip conflicts with another container using the same ip address? Regards, Jonathan From: Timothy Delin via sr-users <sr-users(a)lists.kamailio.org<mailto:sr-users@lists.kamailio.org>> Sent: 25 June 2025 03:40 To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org<mailto:sr-users@lists.kamailio.org>> Cc: Who AmI <myfriendjohn1(a)gmail.com<mailto:myfriendjohn1@gmail.com>>; Timothy Delin <timothy.delin(a)singtel.com<mailto:timothy.delin@singtel.com>> Subject: [SR-Users] Re: kamailio tls module not loading Hey John, Apologies on the late reply, was away for the whole week. All your questions have been checked and ruled out. However, I still not able to resolve it. Hence, I decided to approach it differently with manual loadparam loadmodule "tls.so" #modparam("tls", "config", "/etc/kamailio/tls/tls.cfg") modparam("tls", "tls_method", "TLSv1.2+") # Force TLS 1.2+ for all connections modparam("tls","require_certificate",1) modparam("tls","verify_certificate",1) modparam("tls","verify_depth",9) modparam("tls","certificate","/etc/kamailio/tls/certificate.pem") modparam("tls","private_key","/etc/kamailio/tls/private_key.pem") modparam("tls","ca_list","/etc/kamailio/tls/server_cas.pem") Now it is showing that the TLS connectivity exist, but I know can't let the Kamailio docker run properly and I keep receiving this log message 0(1) DEBUG: <core> [core/tcp_main.c:1305]: find_listening_sock_info(): binding to source address 192.168.254.19:5061 failed: [Address in ue] [98] 0(1) DEBUG: tls [tls_server.c:242]: tls_complete_init(): completing tls connection initialization 0(1) DEBUG: tls [tls_server.c:204]: tls_get_connect_server_name(): xavp with outbound server name not found 0(1) DEBUG: tls [tls_server.c:178]: tls_get_connect_server_id(): xavp with outbound server id not found 0(1) DEBUG: tls [tls_server.c:185]: tls_get_connect_server_id(): outbound server id not set Just to confirm, does it mean that I cant be using the TLS listen port and output port the same? Best regards, Timothy From: Who AmI <myfriendjohn1(a)gmail.com<mailto:myfriendjohn1@gmail.com>> Sent: Monday, June 16, 2025 6:31 PM To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org<mailto:sr-users@lists.kamailio.org>> Cc: Timothy Delin <timothy.delin(a)singtel.com<mailto:timothy.delin@singtel.com>> Subject: Re: [SR-Users] kamailio tls module not loading [CAUTION: External email] Do not click links or open attachments unless you recognize the sender and know the content is safe. ___ Hi there, A few quick questions just to rule out the simple stuff. - I don't see it, but I assume you have added "loadmodule "tls.so"" to the cfg? - In the file: /etc/kamailio/modules/tls.cfg - this points to the path where the certs are - is that path accessible by the kamailio process for read access? (0600 with owner kamailio or 644 with owner root etc) - Correctly named path and cert name as well in the above file? Hope this helps. John. On Mon, 16 Jun 2025 at 10:30, Timothy Delin via sr-users <sr-users(a)lists.kamailio.org<mailto:sr-users@lists.kamailio.org>> wrote: Hi everyone, I am facing an issue where I cannot load the TLS module in my Kamailio server. I keep receiving this error message "0(1) ERROR: <core> [core/sr_module.c:529]: ksr_locate_module(): could not find module <tls> in </usr/local/lib64/kamailio/modules> 0(1) CRITICAL: <core> [core/cfg.y:4015]: yyerror_at(): parse error in config file /etc/kamailio/modules/tls.cfg, line 1, column 12-19: failed to load module" The Kamailio that I run has this configuration version: kamailio 5.8.6 (x86_64/linux) 6c71d5 flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, MEM_JOIN_FREE, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_SEND_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: 6c71d5 compiled on 04:12:34 Jun 6 2025 with gcc 12.2.1 ------------------------------------------------------------------- #global.cfg debug=2 log_stderror=no memdbg=5 memlog=5 log_facility=LOG_LOCAL0 log_prefix="{$mt $hdr(CSeq) $ci} " /* number of SIP routing processes */ children=2 /* Defining interfaces */ #!substdef "!PUBLICIP!$env(PUBLICIP)!" #!substdef "!UDPPORT!$env(UDPPORT)!" #!substdef "!PUBLIC_UDP_SOCKET!udp:PUBLICIP:UDPPORT!" /* Need for TLS Support */ #!substdef "!PUBLIC_TLS_SOCKET!TLS:PUBLICIP:5061!" #!substdef "!COREIP!$env(COREIP)!" #!substdef "!UDPPORT!$env(UDPPORT)!" #!substdef "!CORE_UDP_SOCKET!udp:COREIP:UDPPORT!" #!substdefs "!CORESUBNET!$env(CORESUBNET)!" /* listen addresses */ listen=PUBLIC_UDP_SOCKET listen=CORE_UDP_SOCKET /* Need for TLS Support */ listen=tls:0.0.0.0:5061<https://link.edgepilot.com/s/79616226/8h-IjRzlmUan51PlxuZR2Q?u=http://0.0.0…> #!substdef "!DBUSERNAME!$env(DBUSERNAME)!" #!substdef "!DBPASSWORD!$env(DBPASSWORD)!" #!substdef "!DBHOST!$env(DBHOST)!" #!substdef "!DBNAME!$env(DBNAME)!" #!define DBURL "mysql://DBUSERNAME:DBPASSWORD@DBHOST/DBNAME" #!define HTTP_API_ROUTING_ENDPOINT "https://link.edgepilot.com/s/47dca7bc/8tV4cYQp4UOpnHFQ2B1E6A?u=http://172.1…" ---------------------------------------------------------------- #kamailio.cfg ####### Enable TLS ######## enable_tls=yes ####### Core Modules Section ######## include_file "/etc/kamailio/modules-core.cfg" ####### Global Parameters ######### include_file "/etc/kamailio/globals.cfg" ####### Other Modules Section ######## include_file "/etc/kamailio/modules.cfg" ####### Custom Parameters ######### /* These parameters can be modified runtime via RPC interface * - see the documentation of 'cfg_rpc' module. * * Format: group.id<https://link.edgepilot.com/s/46e1218e/fSZaVF1GX0mM6LO8mQoqWA?u=http://group…> = value 'desc' description * Access: $sel(cfg_get.group.id<https://link.edgepilot.com/s/c2c005e4/uslHdtRDQE6btKKfMLeGzQ?u=http://cfg_g…>) or @cfg_get.group.id<https://link.edgepilot.com/s/c2c005e4/uslHdtRDQE6btKKfMLeGzQ?u=http://cfg_g…> */ ####### Routing Logic ######## include_file "/etc/kamailio/routes.cfg" __________________________________________________________ Kamailio - Users Mailing List - Non Commercial Discussions -- sr-users(a)lists.kamailio.org<mailto:sr-users@lists.kamailio.org> To unsubscribe send an email to sr-users-leave(a)lists.kamailio.org<mailto:sr-users-leave@lists.kamailio.org> Important: keep the mailing list in the recipients, do not reply only to the sender! Links contained in this email have been replaced. If you click on a link in the email above, the link will be analyzed for known threats. If a known threat is found, you will not be able to proceed to the destination. If suspicious content is detected, you will see a warning. [View Less]

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about http server
by mm e 25 Jun '25

25 Jun '25

In kamailio-6.0.x version, there are multiple http servers, such as: XHTTP MICROHTTPD NGHTTP2, which module has the best performance?

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Releasing v6.0.2
by Daniel-Constantin Mierla 25 Jun '25

25 Jun '25

Hello, I am considering to release Kamailio v6.0.2 (out of branch 6.0) on Wednesday, June 25, 2025. If anyone is aware of issues not yet on the bug tracker, report them there asap in order to have a better chance to be fixed. Cheers, Daniel -- Daniel-Constantin Mierla (@ asipto.com) twitter.com/miconda -- linkedin.com/in/miconda Kamailio Consultancy, Training and Development Services -- asipto.com

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kamailio tls module not loading
by Timothy Delin 25 Jun '25

25 Jun '25

Hi everyone, I am facing an issue where I cannot load the TLS module in my Kamailio server. I keep receiving this error message "0(1) ERROR: <core> [core/sr_module.c:529]: ksr_locate_module(): could not find module <tls> in </usr/local/lib64/kamailio/modules> 0(1) CRITICAL: <core> [core/cfg.y:4015]: yyerror_at(): parse error in config file /etc/kamailio/modules/tls.cfg, line 1, column 12-19: failed to load module" The Kamailio that I run has this configuration … [View More]version: kamailio 5.8.6 (x86_64/linux) 6c71d5 flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, MEM_JOIN_FREE, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_SEND_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: 6c71d5 compiled on 04:12:34 Jun 6 2025 with gcc 12.2.1 ------------------------------------------------------------------- #global.cfg debug=2 log_stderror=no memdbg=5 memlog=5 log_facility=LOG_LOCAL0 log_prefix="{$mt $hdr(CSeq) $ci} " /* number of SIP routing processes */ children=2 /* Defining interfaces */ #!substdef "!PUBLICIP!$env(PUBLICIP)!" #!substdef "!UDPPORT!$env(UDPPORT)!" #!substdef "!PUBLIC_UDP_SOCKET!udp:PUBLICIP:UDPPORT!" /* Need for TLS Support */ #!substdef "!PUBLIC_TLS_SOCKET!TLS:PUBLICIP:5061!" #!substdef "!COREIP!$env(COREIP)!" #!substdef "!UDPPORT!$env(UDPPORT)!" #!substdef "!CORE_UDP_SOCKET!udp:COREIP:UDPPORT!" #!substdefs "!CORESUBNET!$env(CORESUBNET)!" /* listen addresses */ listen=PUBLIC_UDP_SOCKET listen=CORE_UDP_SOCKET /* Need for TLS Support */ listen=tls:0.0.0.0:5061 #!substdef "!DBUSERNAME!$env(DBUSERNAME)!" #!substdef "!DBPASSWORD!$env(DBPASSWORD)!" #!substdef "!DBHOST!$env(DBHOST)!" #!substdef "!DBNAME!$env(DBNAME)!" #!define DBURL "mysql://DBUSERNAME:DBPASSWORD@DBHOST/DBNAME" #!define HTTP_API_ROUTING_ENDPOINT "http://172.16.254.30:5000/api/routing" ---------------------------------------------------------------- #kamailio.cfg ####### Enable TLS ######## enable_tls=yes ####### Core Modules Section ######## include_file "/etc/kamailio/modules-core.cfg" ####### Global Parameters ######### include_file "/etc/kamailio/globals.cfg" ####### Other Modules Section ######## include_file "/etc/kamailio/modules.cfg" ####### Custom Parameters ######### /* These parameters can be modified runtime via RPC interface * - see the documentation of 'cfg_rpc' module. * * Format: group.id = value 'desc' description * Access: $sel(cfg_get.group.id) or @cfg_get.group.id */ ####### Routing Logic ######## include_file "/etc/kamailio/routes.cfg" [View Less]

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Dispatcher vs Keepalive
by Sergio Charrua 23 Jun '25

23 Jun '25

Hello all, Just wondering your opinions on this.... The project I'm in uses a REST API to get the routes to relay the call to, and one of the main requirements is whenever an egress gateway is down, inform the REST API about its status, and the same once the gateway is up again. So I was reading the modules docs and was stuck with a question: what would be the best solution to keep track of egress gateways availability? 1 - using Keepalive with DRouting to ping each endpoint's address:port , … [View More]

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Fwd: RFC3261 rules
by Sergey Safarov 22 Jun '25

22 Jun '25

Could you look at the attached PCAP with OPTIONS message. When OPTIONS message is received, then Kamailio generates error logs like dropping insane message from 10.140.6.38:60083 After checking the PCAP, I see extra %x00 characters after the OPTIONS message in the same UDP frame. Example [image: image.png] I have checked RFC3261 and do not see a definition of "x00" chars. Also in the same RFC, present a reference to the RFC2234 <https://datatracker.ietf.org/doc/html/rfc2234> where is … [View More]

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